Question 1

How does rustic compare to restic?

Accepted Answer

rustic is designed as a drop-in replacement for restic with improved performance due to Rust implementation, supporting the same repository format. Key differences include lock-free concurrent access and more customizable features, but rustic is still in beta, so restic might be more stable for production use. Check the project's comparison page for detailed improvements.

Question 2

How to set up rustic for automatic backups on Linux?

Accepted Answer

Install rustic via cargo or binaries, then use config files to define backup sources, storage backends, and schedules. The README provides example config files, and you can integrate it with cron jobs or systemd timers for automation. Ensure to test configurations thoroughly due to the beta status.

Question 3

Does rustic support cloud storage like Amazon S3?

Accepted Answer

Yes, rustic supports various cloud storages including Amazon S3, as mentioned in the README under flexible storage backends. It uses the rustic-backend library to interface with multiple providers, but compatibility might vary, so check the documentation for specific setup instructions.

Question 4

What encryption does rustic use for backups?

Accepted Answer

rustic uses encryption for security, as stated in the README, typically following the restic format which employs AES-256 encryption. Backups are deduplicated and encrypted by default, ensuring data privacy, but verify the exact algorithms in the project documentation for details.

Question 5

Is rustic safe for backing up critical data?

Accepted Answer

Due to its beta state and lack of regression tests, rustic is not recommended for production backups yet, per the README. While it offers robust features, users should consider more mature tools like restic for critical data until rustic reaches stable release.

Question 6

How to migrate from restic to rustic?

Accepted Answer

Since rustic reads and writes the restic repository format, migration is straightforward: install rustic and point it to your existing restic repo. You can use the same commands for backups and restores, but test thoroughly to ensure compatibility, especially with custom scripts or integrations.

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